rust/tests/ui/coherence/coherence_copy_like_err_fundamental_struct.rs
2023-01-11 09:32:08 +00:00

25 lines
601 B
Rust

// Test that we are able to introduce a negative constraint that
// `MyType: !MyTrait` along with other "fundamental" wrappers.
// aux-build:coherence_copy_like_lib.rs
// build-pass (FIXME(62277): could be check-pass?)
// skip-codgen
#![allow(dead_code)]
extern crate coherence_copy_like_lib as lib;
struct MyType { x: i32 }
trait MyTrait { fn foo() {} }
impl<T: lib::MyCopy> MyTrait for T { }
// `MyFundamentalStruct` is declared fundamental, so we can test that
//
// MyFundamentalStruct<MyTrait>: !MyTrait
//
// Huzzah.
impl MyTrait for lib::MyFundamentalStruct<MyType> { }
fn main() { }